Android Open Source - brutefir-remote File Browser

• Back to App/control  ↑

From Project

Back to project page brutefir-remote.

License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright (c) 2011 Victor Su/*w w w.  j  a va2 s .com*/
 *
 * This program is open source. For license terms, see the LICENSE file.
 *
 */

package com.vsu.bruteremote;

import java.util.ArrayList;
import java.util.List;

import org.json.JSONArray;
import org.json.JSONObject;

import android.app.Activity;
import android.app.ListActivity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

public class FileBrowser extends ListActivity {
    // Debugging
    private static final String TAG = "FileBrowser";
    private static final boolean D = false;

    // Intent extra for displayed filename.
    public static String EXTRA_FILENAME = "filename";

    // Intent extra for full path to file.
    public static String EXTRA_FULLPATH = "fullpath";

    // Intent extra for parent directory of file.
    public static String EXTRA_PARENTPATH = "directory";

    // Intent extra for initial file browser path.
    public static String EXTRA_STARTPATH = "startpath";

  // Intent request codes
    public static final int REQUEST_SELECT_FILE = 1;

    /**
     * Called when the activity is first created.
     * @param savedInstanceState  If the activity is being re-created from a previous
     *                            saved state, this is the state.
     */
  @Override
  public void onCreate(Bundle savedInstanceState) {
        if (D) Log.e(TAG, "+ ON CREATE +");

    super.onCreate(savedInstanceState);

    Bundle extras = getIntent().getExtras();

    String directory = "";
    if (extras != null) {
      directory = extras.getString(EXTRA_STARTPATH);
    }

      // Render initial directory listing
      refreshData(directory);

        // Set result CANCELED in case the user backs out
        setResult(Activity.RESULT_CANCELED);
  }

  /**
   * Called when a list item is clicked.
   * @param l         The ListView where the click happened
   * @param v         The view that was clicked within the ListView
     * @param position  The position of the view in the list
     * @param id        The row id of the item that was clicked
     */
  @Override
  protected void onListItemClick(ListView l, View v, int position, long id) {
    super.onListItemClick(l, v, position, id);

    // Get the item that was clicked
    FileBrowserItem item = (FileBrowserItem)this.getListAdapter().getItem(position);

    if (item.isSubdirectory()) {
      refreshData(item.getFullPath());
    }
    else {
          // Create the result Intent and include the filename
          Intent intent = new Intent();
          intent.putExtra(EXTRA_FILENAME, item.getDisplayText());
          intent.putExtra(EXTRA_PARENTPATH, item.getParentPath());
          intent.putExtra(EXTRA_FULLPATH, item.getFullPath());

          // Set result and finish this Activity
          setResult(Activity.RESULT_OK, intent);

      finish();
    }
  }

  /**
   * Retrieves data and refreshes the view.
     * @param path  The directory path to load.
     */
  private void refreshData(String path) {
        if (BruteRemote.mIO.checkConnection()) {
        String json = BruteRemote.mIO.listDirectory(path);

        if (!json.equals("")) {
          try {
            FileBrowserItem[] items = parse(json);
            if (items != null) {
              this.setTitle(path);
              this.setListAdapter(new FileBrowserArrayAdapter(this, items));
            }
          }
          catch (Exception e) {
          }
        }
        }
  }

  private FileBrowserItem[] parse(String jString) throws Exception {
      List<FileBrowserItem> items = new ArrayList<FileBrowserItem>();

      JSONObject jObject = new JSONObject(jString);

    String dir = jObject.getString("dir");
    JSONArray subdirArray = jObject.getJSONArray("subdir");
    JSONArray fileArray = jObject.getJSONArray("file");

    for (int ix = 0; ix < subdirArray.length(); ix++) {
      JSONObject obj = subdirArray.getJSONObject(ix);

      String display = obj.getString("display");
      String name = obj.getString("name");
      String path = obj.getString("path");

        items.add(new FileBrowserItem(display, name, dir, path, true));
    }

    for (int ix = 0; ix < fileArray.length(); ix++) {
      JSONObject obj = fileArray.getJSONObject(ix);

      String display = obj.getString("display");
      String name = obj.getString("name");
      String path = obj.getString("path");

        items.add(new FileBrowserItem(display, name, dir, path, false));
    }

      return items.toArray(new FileBrowserItem[0]);
  }

  public class FileBrowserArrayAdapter extends ArrayAdapter<FileBrowserItem> {
    // The list of file browser items.
    private final FileBrowserItem[] mItems;

      /**
       * Constructor for the class.
       * @param context  The activity context.
       * @param items    The file browser items.
       */
    public FileBrowserArrayAdapter(Context context, FileBrowserItem[] items) {
      super(context, R.layout.rowlayout, items);
      mItems = items;
    }

    /**
     * Called to render the View.
     */
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
      LayoutInflater inflater = getLayoutInflater();
      View rowView = inflater.inflate(R.layout.rowlayout, null, true);

      TextView textView = (TextView) rowView.findViewById(R.id.label);
      ImageView imageView = (ImageView) rowView.findViewById(R.id.icon);

      // Change the icon for directories
      FileBrowserItem item = mItems[position];
      if (item.isSubdirectory()) {
        imageView.setImageResource(R.drawable.ic_menu_archive);
      } else {
        imageView.setImageResource(R.drawable.ic_menu_compose);
      }

      textView.setText(item.getDisplayText());

      return rowView;
    }
  }
}

Java Source Code List

• Back to App/control  ↑